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    <title>Document</title>
    <script>
        // const a;
        // a = 12;
        // console.log(a);

        // const a = 12;
        // console.log(a);

        // const arr = ['apple', 'banana'];
        // arr.push('orage');
        // console.log(arr);

        const arr = Object.freeze(['apple', 'banana']);
        arr.push('orange');
        console.log(arr);
    </script>
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